diff --git a/ipv6/us.cidr b/ipv6/us.cidr
index 2923e5bf4..b8d18da9d 100644
--- a/ipv6/us.cidr
+++ b/ipv6/us.cidr
@@ -1046,6 +1046,7 @@
 2602:81c:d000::/40
 2602:81c:e000::/44
 2602:81c:f000::/44
+2602:f44b::/40
 2602:f44c::/40
 2602:f44d::/40
 2602:f44e::/40